What reading level is the According to Og the Frog series?

According to Og the Frog books are at a grade 4 reading level (average grade level 4.2), and HootRated recommends the series for ages 9–12. There are 2 books in the series.

What order should I read the According to Og the Frog books?

Series numbers aren't available for most According to Og the Frog books, so HootRated lists them by publication date: Life according to Og the frog (2018); Wildlife According to Og the Frog (2020).

What age is the According to Og the Frog series appropriate for?

HootRated recommends According to Og the Frog for ages 9–12. Content is gentle (HootRated intensity 1/5). Intensity stays consistent across the series, so a reader who can handle the first book can generally handle the rest.

According to Og the Frog Books in Order

According to Og the Frog is a 2-book series by Betty G. Birney for ages 9–12, at a grade 4 reading level, with gentle content (HootRated intensity 1/5).

Books: 2; By publication date
Reading level: Grade 4; Average grade level 4.2
Recommended ages: Ages 9–12; From HootRated age ratings
Content intensity: Gentle; HootRated 1/5

According to Og the Frog Reading Order

Series numbers aren't available for most According to Og the Frog books, so they're listed by publication date (oldest first).

#	Title	Reading Level	Ages	Content
1	Life according to Og the frog 2018	Level 4-5	9-12	Gentle
2	Wildlife According to Og the Frog 2020	Level 4-5	9-12	Gentle

Content Intensity Across the Series

Consistent

Content stays at a steady intensity level throughout the series.

First book Latest book

Series books grow with readers — but that's also the trap. Most series start at one reading level and one content intensity and drift upward over the course of the run. According to Og the Frog (2 books by Betty G. Birney) lands at a grade 4 reading level, with average content intensity 1/5. Intensity stays consistent across the series, so a reader who can handle the first book can generally handle the rest.

The reading-order table above lists every book with per-volume reading level, age and intensity ratings so you can spot any escalation before it catches your reader off guard. For a deeper dive into how we score text difficulty vs. emotional weight separately — and why series readers especially benefit from that split — see our methodology page.

All According to Og the Frog Books

Life according to Og the frog

Betty G. Birney

Life according to Og the frog

Betty G. Birney

Level 4-5

Wildlife According to Og the Frog

Betty G. Birney

Wildlife According to Og the Frog

Betty G. Birney

Level 4-5

Series Like According to Og the Frog: What to Read Next

Similar reading level, content intensity and themes.

Questions about the According to Og the Frog series

What reading level is the According to Og the Frog series?: According to Og the Frog books are at a grade 4 reading level (average grade level 4.2), and HootRated recommends the series for ages 9–12. There are 2 books in the series.
What order should I read the According to Og the Frog books?: Series numbers aren't available for most According to Og the Frog books, so HootRated lists them by publication date: Life according to Og the frog (2018); Wildlife According to Og the Frog (2020).
What age is the According to Og the Frog series appropriate for?: HootRated recommends According to Og the Frog for ages 9–12. Content is gentle (HootRated intensity 1/5). Intensity stays consistent across the series, so a reader who can handle the first book can generally handle the rest.